98181995 has 16 divisors (see below), whose sum is σ = 120180672. Its totient is φ = 76984320.

The previous prime is 98181961. The next prime is 98181997. The reversal of 98181995 is 59918189.

It is not a de Polignac number, because 98181995 - 2⁸ = 98181739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98181997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67799 + ... + 69231.

It is an arithmetic number, because the mean of its divisors is an integer number (7511292).

Almost surely, 2^98181995 is an apocalyptic number.

98181995 is a deficient number, since it is larger than the sum of its proper divisors (21998677).

98181995 is a wasteful number, since it uses less digits than its factorization.

98181995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702.

The product of its digits is 233280, while the sum is 50.

The square root of 98181995 is about 9908.6828085271. The cubic root of 98181995 is about 461.3288528365.

The spelling of 98181995 in words is "ninety-eight million, one hundred eighty-one thousand, nine hundred ninety-five".